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ICD-10 Guide
ICD-10 CodesR79.0

R79.0

Abnormal level of blood mineral

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R79.0 is a billable code used to indicate a diagnosis of abnormal level of blood mineral.

Key Diagnostic Point:

R79.0 refers to abnormal levels of minerals in the blood, which can indicate various underlying health issues. Common minerals measured include calcium, potassium, sodium, magnesium, and phosphorus. Abnormal levels can manifest as hypercalcemia, hypocalcemia, hyperkalemia, hypokalemia, hypernatremia, hyponatremia, and others. Symptoms may vary widely depending on the specific mineral involved and the degree of abnormality. For instance, hyperkalemia can lead to cardiac arrhythmias, while hypocalcemia may present with muscle cramps and tetany. Laboratory findings are crucial for diagnosis, often requiring serum tests to quantify mineral levels. The clinical context is essential, as these abnormalities can arise from dietary deficiencies, endocrine disorders, renal dysfunction, or medication effects. Accurate diagnosis and management depend on identifying the specific mineral imbalance and its etiology.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of minerals that can be abnormal
  • Need for specific laboratory tests
  • Potential for multiple underlying causes
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of laboratory results
  • Failure to specify the type of mineral abnormality
  • Misinterpretation of abnormal findings
  • Lack of correlation between symptoms and lab results

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed lab results, clinical history, and any relevant symptoms must be documented.

Common Clinical Scenarios

Patients presenting with fatigue, muscle weakness, or arrhythmias requiring mineral level assessment.

Billing Considerations

Consideration of chronic conditions affecting mineral levels, such as renal disease or endocrine disorders.

Emergency Medicine

Documentation Requirements

Acute care documentation must include immediate lab results and clinical findings.

Common Clinical Scenarios

Patients with acute symptoms like chest pain or altered mental status requiring rapid assessment of mineral levels.

Billing Considerations

Rapid identification of life-threatening conditions related to mineral imbalances, such as hyperkalemia.

Coding Guidelines

Inclusion Criteria

Use R79.0 When
  • Follow official ICD
  • CM guidelines for coding symptoms and abnormal findings
  • Ensure specificity in documentation to support the diagnosis

Exclusion Criteria

Do NOT use R79.0 When
No specific exclusions found.

Related CPT Codes

80048CPT Code

Comprehensive metabolic panel

Clinical Scenario

Used to assess multiple blood minerals including calcium and potassium.

Documentation Requirements

Document the specific tests performed and results.

Specialty Considerations

Internal medicine may require more detailed documentation of chronic conditions affecting mineral levels.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of abnormal blood mineral levels, improving the accuracy of diagnoses and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of abnormal blood mineral levels, improving the accuracy of diagnoses and treatment plans.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of abnormal blood mineral levels, improving the accuracy of diagnoses and treatment plans.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common minerals tested in blood?

Common minerals include calcium, potassium, sodium, magnesium, and phosphorus, each with specific normal ranges and clinical implications for abnormalities.